薄める (usumeru) conjugation
to dilute, to water down
薄める (うすめる, usumeru) is an ichidan verb. Ichidan verbs are the tidy ones: drop the final る and add the ending. Nothing inside the word ever changes. Every form below is tappable — hear it, then say it back.
Conjugation table
| Form | Plain (casual) | Polite (~ます) | When you use it |
|---|---|---|---|
| Dictionary / plain | 薄める usumeru | 薄めます usumemasu | The form you look up. Also the casual present and future. |
| Plain negative | 薄めない usumenai | 薄めません usumemasen | “doesn’t / won’t”. From here it conjugates like an i-adjective. |
| Plain past | 薄めた usumeta | 薄めました usumemashita | The casual past — same ending as the te-form, with た/だ. |
| Plain past negative | 薄めなかった usumenakatta | 薄めませんでした usumemasendeshita | “didn’t”. The negative past, still i-adjective-shaped. |
| Te-form | 薄めて usumete | — | The connector: requests, linking clauses, ~ている. |
| Progressive (~ている) | 薄めている usumeteiru | 薄めています usumeteimasu | “is ~ing”, or an ongoing resulting state. |
| Desire (~たい) | 薄めたい usumetai | 薄めたいです usumetaidesu | “want to ~”. Behaves as an i-adjective. |
| Volitional | 薄めよう usumeyou | 薄めましょう usumemashou | “let’s ~” / “I think I’ll ~”. |
| Potential | 薄められる usumerareru | 薄められます usumeraremasu | “can ~”. What you could do; the object often takes が. |
| Passive | 薄められる usumerareru | 薄められます usumeraremasu | “is ~ed”. Also the honorific and the suffering passive. |
| Causative | 薄めさせる usumesaseru | 薄めさせます usumesasemasu | Make or let someone do it. |
| Causative-passive | 薄めさせられる usumesaserareru | 薄めさせられます usumesaseraremasu | Be made to do it — the long one. |
| Imperative | 薄めろ usumero | 薄めてください usumetekudasai | Blunt order. Use ~てください in real life. |
| Prohibitive | 薄めるな usumeruna | — | “don’t!” — dictionary form + な. |
| Conditional (~ば) | 薄めれば usumereba | — | “if ~”. General rules and hypotheticals. |
| Conditional (~たら) | 薄めたら usumetara | — | “if / when ~”. The everyday conditional. |
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Why it conjugates this way
Ichidan verbs are the tidy ones: drop the final る and add the ending. Nothing inside the word ever changes.
See the full rules on the verb conjugation guide.